prepare_internal_flashing: improve input / output file/path handling

prepare_internal_flashing.sh

@@ -22,7 +22,7 @@ while [ $# -gt 0 ]
 do
 	case "$1" in
 	-i)
-		INPUT_IMAGE=$2
+		INPUT_IMAGE_PATH=$2
 		have_input_image=1
 		shift
 		;;
@@ -42,21 +42,22 @@ do
 	shift
 done
 
-OUTPUT_IMAGE=${INPUT_IMAGE%%.*}_prepared_12mb.rom
 
-if [ "$have_input_image" -gt 0 ] ; then
-	echo "creating"
-	echo "output/${OUTPUT_IMAGE}"
-	echo "from"
-	echo "${INPUT_IMAGE}"
-echo "---------------------------------------------------------"
-else
+if [ ! "$have_input_image" -gt 0 ] ; then
 	echo "no input image provided"
 	usage
 	exit 1
 fi
 
-input_filesize=$(wc -c <"$INPUT_IMAGE")
+OUTPUT_PATH=output
+INPUT_IMAGE_NAME=$(basename ${INPUT_IMAGE_PATH})
+OUTPUT_IMAGE_NAME=${INPUT_IMAGE_NAME%%.*}_prepared_12mb.rom
+OUTPUT_IMAGE_PATH=${OUTPUT_PATH}/${OUTPUT_IMAGE_NAME}
+
+echo -e "creating ${GREEN}${OUTPUT_IMAGE_PATH}${NC} from ${INPUT_IMAGE_NAME}"
+
+
+input_filesize=$(wc -c <"$INPUT_IMAGE_PATH")
 reference_filesize=4194304
 if [ ! "$input_filesize" -eq "$reference_filesize" ] ; then
 	echo "Error: input file must be 4MB of size"
@@ -64,16 +65,13 @@ if [ ! "$input_filesize" -eq "$reference_filesize" ] ; then
 fi
 
 rm -rf output
-mkdir output && cd output
-dd if=/dev/zero of=${OUTPUT_IMAGE} bs=4M count=2
-
-cp ../${INPUT_IMAGE} .
-dd if=${INPUT_IMAGE} oflag=append conv=notrunc of=${OUTPUT_IMAGE} bs=4M
+mkdir output
 
-echo "0x00000000:0x007fffff ifdmegbe" > x230-layout.txt
-echo "0x00800000:0x00bfffff bios" >> x230-layout.txt
+dd if=/dev/zero of=${OUTPUT_IMAGE_PATH} bs=4M count=2
+dd if=${INPUT_IMAGE_PATH} oflag=append conv=notrunc of=${OUTPUT_IMAGE_PATH} bs=4M
 
-rm ${INPUT_IMAGE}
+echo "0x00000000:0x007fffff ifdmegbe" > ${OUTPUT_PATH}/x230-layout.txt
+echo "0x00800000:0x00bfffff bios" >> ${OUTPUT_PATH}/x230-layout.txt
 
 echo "---------------------------------------------------------"
 echo -e "${RED}CAUTION: internal flashing is NOT encouraged${NC}"
@@ -82,4 +80,4 @@ echo "prepared files for internal flashing in output directory."
 echo "template flashrom command (please adapt the chip name) :"
 echo ""
 echo "cd output"
-echo -e "${GREEN}flashrom -p internal:laptop=force_I_want_a_brick,spispeed=128 --layout x230-layout.txt --image bios -c "MX25L3206E" -w ${OUTPUT_IMAGE}${NC}"
+echo -e "${GREEN}flashrom -p internal:laptop=force_I_want_a_brick,spispeed=128 --layout x230-layout.txt --image bios -c "MX25L3206E" -w ${OUTPUT_IMAGE_PATH}${NC}"